Answer:
5
Step-by-step explanation:
The triangle pictured is a 45-45-90 triangle, meaning both legs are the same length, 5.
It would be 24:18 or if you simplified it (dividing by 6), you’d get a 4:3 ratio.
The answer to your question is 9/5
<h3>
Answer: 4/9</h3>
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Work Shown:

The idea is that when we subtract 10x and x, the infinite decimal pattern (the 4s that go on forever) will cancel. That leads to 9x = 4 which solves to x = 4/9